Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java ɾ³ýÎļþ¼°Ä¿Â¼


javaÖÐɾ³ýĿ¼ÊÂÏÈҪɾ³ýĿ¼ÏµÄÎļþ»ò×ÓĿ¼¡£Óõݹé¾Í¿ÉÒÔʵÏÖ¡£
public void del(String filepath) throws IOException{
File f = new File(filepath);//¶¨ÒåÎļþ·¾¶        
if(f.exists() && f.isDirectory()){//ÅжÏÊÇÎļþ»¹ÊÇĿ¼
    if(f.listFiles().length==0){//ÈôĿ¼ÏÂûÓÐÎļþÔòÖ±½Óɾ³ý
        f.delete();
    }else{//ÈôÓÐÔò°ÑÎļþ·Å½øÊý×飬²¢ÅжÏÊÇ·ñÓÐϼ¶Ä¿Â¼
        File delFile[]=f.listFiles();
        int i =f.listFiles().length;
        for(int j=0;j<i;j++){
            if(delFile[j].isDirectory()){
                      del(delFile[j].getAbsolutePath());//µÝ¹éµ÷ÓÃdel·½·¨²¢È¡µÃ×ÓĿ¼·¾¶
            }
            delFile[j].delete();//ɾ³ýÎļþ
        }
    }
    del(filepath);//µÝ¹éµ÷ÓÃ
}


Ïà¹ØÎĵµ£º

java+Access( javaÊý¾Ý¿â±à³Ì£©

1£ºÏȶÔһЩ¸ÅÄîµÄÀí½â£º
JDBC£ºJava DataBase Connection
±¾¼¾Ä¿±ê
1¡¢JDBCµÄ·ÖÀà
2¡¢JDBCµÄÖ÷Òª²Ù×÷ÀàºÍ½Ó¿Ú£º
DriverManager¡¢Connection¡¢Statement¡¢PreparedStatement¡¢ResultSet
3¡¢ÈçºÎʹÓÃJDBCÁ¬½ÓMySQLÊý¾Ý¿â
www.mldn.cnÉÏÓÐMYSQLµÄ½Ì³Ì¡£
1¡¢Ê²Ã´ÊÇJDBC£¿
JDBCÊÇJAVAÌṩµÄÒ»¸ö·þÎñ£¬×¨ÃÅÓÃÓÚ·ÃÎÊ ......

javaÖÐʹÓÃsqliteÊý¾Ý¿â

sqliteÊý¾Ý¿âµÚÈý·½javaÀ©Õ¹°üÏÂÔØµØÖ·£ºhttp://www.zentus.com/sqlitejdbc/
ÓÐ2¸ö°ü£¬Ò»¸öÊÇnested£¨Ç¶ÈëʽµÄ£©£¬Ò»¸öÊÇnative(±¾µØµÄ)¡£
Çø±ðÔÚÓÚ:nested ²»ÐèÒª¶îÍâµÄdllÎļþ£¬µ«ÊÇËÙ¶ÈÂý¡£nativeÐèÒªÒ»¸ö¶îÍâµÄdllÎļþ£¬ËٶȺܿ졣
 1.ʹÓÃnested°ü£ºsqlitejdbc-v037-nested.jar
java´úÂ룺
java ´úÂë
packa ......

javaÖÐʹÓÃibatisÀ´µ÷Óô洢¹ý³Ì(ÉÏ)

ÎÒÃÇÔÚ½øÐÐpl/sql±à³Ìʱ´ò½»µÀ×î¶àµÄ¾ÍÊÇ´æ´¢¹ý³ÌÁË¡£´æ´¢¹ý³ÌµÄ½á¹¹ÊǷdz£µÄ¼òµ¥µÄ£¬ÎÒÃÇÔÚÕâÀï³ýÁËѧϰ´æ´¢¹ý³ÌµÄ»ù±¾½á¹¹Í⣬»¹»áѧϰ±àд´æ´¢¹ý³ÌʱÏà¹ØµÄһЩʵÓõÄ֪ʶ¡£È磺ÓαêµÄ´¦Àí£¬Òì³£µÄ´¦Àí£¬¼¯ºÏµÄÑ¡ÔñµÈµÈ
1.´æ´¢¹ý³Ì½á¹¹
1.1 µÚÒ»¸ö´æ´¢¹ý³Ì
create or replace procedure proc1(   
  ......

¼òÃ÷Java±Ê¼Ç

ÅäÖÃjava»·¾³±äÁ¿£º     JAVA_HOME£ºÅäÖÃJDKµÄĿ¼     CLASSPATH£ºÖ¸¶¨µ½ÄÄÀïÈ¥ÕÒÔËÐÐʱÐèÒªÓõ½µÄÀà´úÂ루×Ö½ÚÂ룩     PATH£ºÖ¸¶¨¿ÉÖ´ÐгÌÐòµÄλÖà     LINUXϵͳ£¨ÔÚ" .bash_profile "ÏµĻ·¾³±äÁ¿ÉèÖã©        ......

´Ó×·MM̸JavaµÄ23ÖÖÉè¼ÆÄ£Ê½

¡¡1¡¢FACTORY—×·MMÉÙ²»ÁËÇë³Ô·¹ÁË£¬Âóµ±À͵靈áºÍ¿ÏµÂ»ùµÄ¼¦³á¶¼ÊÇMM°®³ÔµÄ¶«Î÷£¬ËäÈ»¿ÚζÓÐËù²»Í¬£¬µ«²»¹ÜÄã´øMMÈ¥Âóµ±ÀÍ»ò¿ÏµÂ»ù£¬Ö»¹ÜÏò·þÎñԱ˵“À´Ëĸö¼¦³á”¾ÍÐÐÁË¡£Âóµ±ÀͺͿϵ»ù¾ÍÊÇÉú²ú¼¦³áµÄFactory
¡¡¡¡¹¤³§Ä£Ê½£º¿Í»§ÀàºÍ¹¤³§Àà·Ö¿ª¡£Ïû·ÑÕßÈκÎʱºòÐèҪijÖÖ²úÆ·£¬Ö»ÐèÏò¹¤³§ÇëÇó¼´¿É¡£Ïû· ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ